1 # stdint_h.m4 serial 9 2 dnl Copyright (C) 1997-2004, 2006, 2008-2012 Free Software Foundation, Inc. 3 dnl This file is free software; the Free Software Foundation 4 dnl gives unlimited permission to copy and/or distribute it, 5 dnl with or without modifications, as long as this notice is preserved. 6 7 dnl From Paul Eggert. 8 9 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists, 10 # doesn't clash with <sys/types.h>, and declares uintmax_t. 11 12 AC_DEFUN([gl_AC_HEADER_STDINT_H], 13 [ 14 AC_CACHE_CHECK([for stdint.h], [gl_cv_header_stdint_h], 15 [AC_COMPILE_IFELSE( 16 [AC_LANG_PROGRAM( 17 [[#include <sys/types.h> 18 #include <stdint.h>]], 19 [[uintmax_t i = (uintmax_t) -1; return !i;]])], 20 [gl_cv_header_stdint_h=yes], 21 [gl_cv_header_stdint_h=no])]) 22 if test $gl_cv_header_stdint_h = yes; then 23 AC_DEFINE_UNQUOTED([HAVE_STDINT_H_WITH_UINTMAX], [1], 24 [Define if <stdint.h> exists, doesn't clash with <sys/types.h>, 25 and declares uintmax_t. ]) 26 fi 27 ]) 28